SNC1D Science Journal

Water effects every living species, and nonliving organisms. Fresh drinking water includes with that.

In the underwater ecosystem there are many factors such as amount of light, temperature, and saturation state. The human effect of the limiting factors consist of many things.

The human effect on the saturation state is that humans can pollute the water and lower the saturation state. That causes the saturation to not be able to absorb anymore bacteria causing it to take affect onto the fish and any living animals in the water.

Humans also effect the amount of light by covering water beds with trees, blankets, and huts. That can take affect on the fish that need light or brightness to survive and sustain accordingly. Also, if there is too much light fish won’t be able to see for very long because since they don’t have eyelids, the light can damage their sight.

Humans love to bathe and swim in nice warm water but marine life on the other hand, the vary between what they like, some like cold water, some like moderately warm water. Humans using artificial heaters and coolers is not good for the marine life because they are not used to the new climate of their homes, so they will most likely try to move to another lake, pond, sea, river, or ocean. Really any body of water that is their normal climate where they can be comfortable.

To conclude, humans have many effects on the marine life and on bodies of water using artificial heaters, lightings, and polluting the water.